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US Model

Canadian Model

LCD panel

Panel type: a-Si TFT Active Matrix
Picture size: 23.0 inch

Input signal format

RGB operating frequency*
Horizontal:

28–92 kHz (analog RGB)
28–75 kHz (digital RGB)

Vertical:

48–85 Hz (analog RGB)
60 Hz (digital RGB)

Resolution

Horizontal: Max.1920 dots
Vertical: Max.1200 lines

Input signal levels

Analog RGB video signal:

0.7 Vp-p, 75 

Ω

, positive 

SYNC signal:

TTL level, 2.2 k

Ω

positive or negative
(Separate horizontal and vertical, 
or composite sync)
0.3 Vp-p, 75 

Ω

, negative 

(Sync on green)

Digital RGB (DVI) signal: 

TMDS (Single link)

Power requirements

100–240 V, 50–60 Hz, 
Max. 1.0 A

Power consumption

Max. 80 W

Operating temperature

5–35 

°

C

Dimensions (width/height/depth)

Display (upright): 

Approx. 566   446 

×

 251 mm

(22 

3

/

8

  

17 

5

/

8 

 10 inches) 

(with stand)
Approx. 566   380   114 mm
(22 

3

/

8

  

15

 

 4 

1

/

2

 inches) 

(without stand)

Mass

Approx. 12.7 kg (27 lb 16 oz)
(with stand)
Approx. 10.2 kg (22 lb 8 oz)
(without stand)

Plug & Play

DDC2B

* Recommended horizontal and vertical timing condition

 

•

 

•

 

•

Horizontal sync width duty should be more than 4.8% of total 
horizontal time or 0.8 

µ

s, whichever is larger.

Horizontal blanking width should be more than 2.5 

µ

sec.

  Vertical blanking width should be more than 450 

µ

sec.

Design and specifications are subject to change without notice.

×

×

×

×

×

×

×

SDM-P232W(UC)

2

The AC leakage from any exposed metal part to earth ground and from all
exposed metal parts to any exposed metal part having a return to chassis,
must not exceed 0.5 mA (500 microamperes).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA WT-

540A. Follow the manufacturers’ instructions to use these instruments.

2. A battery-operated AC milliammeter. The Data Precision 245 digital

multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of a VOM or

battery-operated AC voltmeter. The “limit” indication is 0.75 V, so
analog meters must have an accurate low-voltage scale. The Simpson 250
and Sanwa SH-63Trd are examples of a passive VOMs that are suitable.
Nearly all battery operated digital multimeters that have a 2 V AC range
are suitable.  (See Fig. A)

After correcting the original service problem, perform the following safety
checks before releasing the set to the customer:
1. Check the area of your repair for unsoldered or poorly-soldered

connections. Check the entire board surface for solder splashes and
bridges.

2. Check the interboard wiring to ensure that no wires are “pinched” or

contact high-wattage resistors.

3. Check that all control knobs, shields, covers, ground straps, and

mounting hardware have been replaced. Be absolutely certain that you
have replaced all the insulators.

4. Look for unauthorized replacement parts, particularly transistors, that

were installed during a previous repair. Point them out to the customer
and recommend their replacement.

5. Look for parts which, though functioning, show obvious signs of

deterioration. Point them out to the customer and recommend their
replacement.

6. Check the line cords for cracks and abrasion. Recommend the

replacement of any such line cord to the customer.

7. Check the connector shell, metal trim, “metallized” knobs, screws, and

all other exposed metal parts for AC Leakage. Check leakage as de-
scribed right.

Fig. A. Using an AC voltmeter to check AC leakage.

Ω

µ

SDM-P232W(UC)

3

!

!

SDM-P232W(UC)

4

(ANALOG RGB SIGNAL ONLY)

This monitor meets the power-saving guidelines set by VESA, 

E

NERGY 

S

TAR, and NUTEK. If the monitor is connected to a 

computer or video graphics board that is DPMS (Display Power 
Management Signaling) compliant, the monitor will 
automatically reduce power consumption as shown below.

*

When your computer enters the “active off” mode, the input signal is 

cut and “No input signal” appears on the screen. After 20 seconds, the 
monitor enters the power saving mode.

** “Deep sleep” is a power saving  mode defined by the Environmental 

Protection Agency.

1

normal 
operation

80 W (max.)

green

active of f*
(deep sleep)**

approx. 1 W

orange

1 (power) off

a pprox. 1 W

red

main power off

0 W

off

When the monitor receives an input signal, it automatically 
matches the signal to one of the factory preset modes stored in the 
monitor’s memory to provide a high quality picture at the center 
of the screen. If the input signal matches the factory preset mode, 
the picture appears on the screen automatically with the 
appropriate default adjustments.

When the monitor receives an input signal that does not match one 
of the factory preset modes, the automatic picture quality 
adjustment function of this monitor is activated to ensure that a 
clear picture always appears on the screen (within the following 
monitor frequency ranges):
Horizontal frequency:  28–92 kHz
Vertical frequency: 

48–85 Hz

Consequently, the first time the monitor receives input signals 
that do not match one of the factory preset modes, the monitor 
may take a longer time than normal to display the picture on the 
screen. This adjustment data is automatically stored in  memory so 
that next time, the monitor will function in the same way as when 
the monitor receives the signals that match one of the factory 
preset modes.

For some input signals, the automatic picture quality adjustment 
function of this monitor may not completely adjust the picture 
position, phase, and pitch. In this case, you can set these 
adjustments manually (MANUAL, INSTRUCTION page 15).
If you set these adjustments manually, they are stored in memory
as user modes and automatically recalled whenever the monitor 
receives the same input signals.